Amplifier circuit using STK4152: This is an amplifier circuit using stk4152 IC. This board can make 25w+25w. We can use  20-0-20 voltage to 35-0-35 voltage. It’s a stereo audio amplifier circuit board. We can use stk4141 to stk4191 using this same diagram. We know stk board can make a good …

Mini amplifier circuit using LA78040: This is a Mini amplifier circuit using LA78040. It’s a stereo audio board. We can use a maximum AC24 voltage. This circuit can make 9+9 watts of output. It’s a mini circuit board. We can also use a DC 24-volt.   TDA2050 MONO BRIDGE: This …

This is the driver circuit diagram for the PNP and NPN transistors. This circuit runs with positive, negative, and ground voltage. We can use 25-0-25 voltage to 60-0-60 voltage. 2sc5200 and 2sa1943 are the best transistors for this board. We can also use C5198 and A1941. We can use a …

This is a 1000-watt transistor circuit diagram using 2SC5200 and 2SA1943. This amplifier can make 1000 watts. We can use a 70-0-70 voltage, 15 amperes here. We know voltage X amperes=watts. 70X15=1050 watts. Here, use 10 pairs of transistors. This board includes speaker protection.    Details about 2SA1943 2sa1943 Polarity …

This is the speaker protection circuit diagram for the amplifier. Every amplifier needs this circuit to protect the speaker. When the amplifier makes a problem, then the voltage comes out from the speaker line. And the voltage burns the speaker. For this, we need this circuit to protect the speaker. …

This is a Subwoofer amplifier using the TDA2030 IC. This circuit can make 15+30+15 watts of output. It needs 12-0-12 voltage and 3 amperes. The input is 2.0, and the output is 2.1. Left speaker, Right speaker, and the subwoofer speaker output. Here are 3 adjustable volumes. 1st one for …

This is a mini amplifier circuit diagram using 2SC5200 and 2SA1943 transistors. It’s a mono board. It’s a PNP and an NPN amplifier board. We can use any PNP and NPN transistors. like c5198 and a1941. 2SC2922 and 2SA1216. We can use 20-0-20 voltage to 50-0-50 voltage. positive, negative, and …

Amplifier driver circuit for transistor MJE15032 and MJE15033: This is the amplifier driver circuit for transistors MJE15032 and MJE15033. This is the only driver for the transistor board. It’s a PNP and an NPN transistor driver board. We can use any NPN and PNP transistor. This circuit needs minimum 25-0-25 …

DIY amplifier circuit using 2SC5200 and 2SA1943 transistors. Here, use 2 transistors. This pair of transistors can produce 150 watts depending on the voltage. One pair of transistors can produce 150 watts of power. We know voltage X ampere=watts. 35volts X 4.2amp=150watts. 45volts X 3.3amp=150watts. 50volts X 3amp=150watts. We can’t …

Amplificador de alta fidelidad de 100 vatios. Este es el diagrama del circuito del controlador DIY para el amplificador. Este circuito permite crear un amplificador con 20 transistores. Esta placa no es un amplificador, sino un controlador de sonido. Conduce el sonido a los transistores. Podemos usar cualquier transistor PNP …